Crocodile Facts & Ecology — The Secret of the Strong Jaw Nature Picture Book
What makes crocodiles so amazing?
Floating perfectly still by the water and then moving in an instant, the crocodile is the river's powerful hunter. It may look scary, but once you get to know it, it's full of amazing secrets.
We've gathered all kinds of stories about crocodiles here — crocodile facts, crocodile ecology, crocodile bite force, and more.
Nature and science facts about crocodiles
A crocodile has around 80 teeth, and even when they wear down or fall out, new teeth keep growing throughout its life. Its bite is among the strongest of any animal on Earth (about 1,700 kg), but the muscles that open its mouth are weak — you could even hold it shut with your hands. Because it's cold-blooded, opening its mouth wide isn't a threat but a way to release body heat — a temperature-regulating behavior — and the mother builds a nest and carefully tends her eggs.
What Tangobook's «Crocodile» covers
Tangobook's «Crocodile» shows in a fascinating way how it waits with only its eyes above the water, its powerful jaw, opening its mouth to cool down, the mother guarding her eggs, and baby crocodiles hatching.
Points to observe together
Point out things like its teeth (replaced for life), bite force vs. opening force, opening its mouth (temperature control), and its eyes and nose above the water. It's fun to talk together about "Why is the crocodile keeping its mouth open?"
Parent guide — extending through observation and hands-on play
At a zoo or aquarium, try observing how a crocodile stays still with only its eyes above the water. Explain that "mouth open = cooling off," and it helps to connect the cold-blooded concept to a lizard basking in the sun.
Frequently Asked Questions (FAQ)
Q. Why does a crocodile keep its mouth open?
A. It's not a threat — it's a cold-blooded animal's way of releasing body heat to regulate its temperature.
Q. What happens when a crocodile's tooth falls out?
A. New teeth keep growing throughout its life to fill the empty spots. It has around 80 teeth.
Q. How can we observe them at home?
A. Watch the eyes above the water and the open mouth at a zoo or aquarium, and connect the cold-blooded concept to a lizard.
Great classic stories to read together
If you enjoyed this story, try reading these classic stories together too.
Curious about “Crocodile”?
Experience it for yourself on Tangobook, with beautiful illustrations and Korean and English narration.
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